Sanitary



L. F. LINDLEY.

SANHARY FLOORING.

APPLICATION msn ma. 29. |919.

and resident of Chi State of Illinois, and useful Impro ing, ot which the and which are illustrated ing drawings,

lhe inventi especially sui sanitary, durable, object of the inve that will not cr upon which it is ack even though the base It 1s important t laid shall develo cracks. should be a waterproof cement and A further object is to provide a oor that nothing better than an asphalt can be found will not only be sound proof as regards for the urpose. This cement adheresfirmly transmission of sounds to rooms lying beto the brous material especially Well when give out practically no sound dry felt is used, as illustrated intol the room in which it is layer the surfacing of the A further object is the provision of rubber, at 14, on the draw ng that may be quickly and cheaply This surface layer must b placed into position and may be put into the cement is still sullicie use almost immediately when laid. A fursticky. As shown at 15,

the provision of a Hoor that lippery. Further objects of rial are laid so as to break That is, one shall not fall i low but shall of foot falls ther object is shall be non-s the invention ing descripti w11] appear from the followon when read in connection with the otller. accompanying drawings, in The surfacing layer 14 is gum rubber Without fabric spective view of a floor, due to the use of such a mate will have very long life in us stages of construction; and this material 1s completely Waterproof, may 2 is a cross section of a completed be cleaned readily, is non-slippery, and in he line2-2 of Fig. 1. combination with'the fibrous materi aracter 10 shows the base to particularly when dry felt is used, roved floor is preferably apduce a floor of great resiliency and very or purposes of illustration as pleasant and easy to walk upon. The properties presented by my floor have peculiar of existing floor'. may value for use in hospitals Wherever much walkin ion with concrete base as in kitchens or in public buildi overcomes the objection- I claim as my invention:

yielding nature of this 1. In a Hoor the combination of an un- 1 is shown a layer of yielding base, a laver of cement on said base,

Figure 1 is a per different portions thereof being shown Vin iloor taken on t Reference ch which my im plied, shown a concrete floor. that any other fo properly be used but cial value in connect since its resiliency able harshn type of Hoor. cement. For p asphalt is disc applied in a fl dered Huid b known cut back It is to be understood my invention has espese of any ordinary well or by heating the same.

UNITED sTATEs PATENT OFFICE.

LOWELL F. LINDLEY, 0I' CHIQAGO, ILLINOIS.

SANITARY FLOUBING.

specification of Letters Patent. Patented Oct. 28, 1919. Application led March 29, 1919. Serial No. 2186,00?.`

To all whomz't may concern: In its cold or hardened condition this as- Be it known that I, LowELL F. LINDLEY, phalt is preferably hard enough not to a citizen of the United States of America, affected by use of the floor but not su cago, county of Cook, and cientl hard to be brittle. have invented certain new aspha t 1l a layer of bt-ous material, shown vements in Sanitary Flooras dry| felt, l2, is applied. This layer of following is aspecification, brous material is applied for the purpose m the accompanyof sound deadening and for the purpose forming a part thereof. of rendering the floor cover resilient under on relates to a Hoor that is foot.. It is this layer particularly which table for use in hospitals, a takes away the objectionable resistance or floor that shall be waterproof, sound proof, harshness of a concrete floor as above reresilient and pliable. An ferred to. A second layer of cement, shown ntion is to provide a floor as asphalt, is desinated 13 on the drawing. at this layer of cement urposes of illustration a pure a layer of dry felt lying upon and adhering losed. This asphalt must be to said cement a second layer of cement uid condition and may be renon said felt and a surface of sheet rubber upon the last named layer of cel 2. In a floor, an unyielding Upon the layer of the surfacing material and preferably pure of any kind, and rial my Hoor e. Moreover,

but are important is to occur,

concrete base,

a layer of dry felt secured to seid base by means of bituminous cement and e surface `layer of sheet rubbe secured to sald felt by means of bituminous cement.

8. In a oor, a concrete bese, e layer of bituminous cement u on seid base a, layer comprising strips of ry feltplm edge to l edge lying upon and adhering to said cement, a layer of bituminous cement superimposed upon said felt. and a, surface la er comprising strips of rubber lying ge to edge upon and a ring bo said second neme layer of cement.

LOWELL F. LINDLEY. 

